Progranulin (GP88) tumor tissue expression is associated with increased risk of recurrence in breast cancer patients diagnosed with estrogen receptor positive invasive ductal carcinoma

Table 2 Patients characteristics for the validation study

Characteristics	Groups	Number	%
Age at diagnostics	Median	59.3
	Range	24.4 to 92.8
Age distribution	< 50	65	24.6
	> 50	199	75.4
Ethnicity	Caucasian	228	86.4
	African-American	31	11.7
	Asian	5	1.9
PR	Positive	176	66.6
	Negative	65	24.6
	Unknown	23	8.7
Tumor Size	≤ 2 cm	173	65.5
	2 to 5 cm	73	27.7
	> 5 cm	18	6.8
Tumor grade	Grade 1	8	3.2
	Grade 2	94	37.6
	Grade 3	148	59.2
	Unknown	14	5
Stage	1	72	27.4
	2	154	58.6
	3	35	13.3
Lymph Node	Negative	109	41.3
	Positive	155	58.7
Hormone	No	75	28.4
	Yes	189	71.6
Chemotherapy	No	128	48.5
	Yes	136	51.5
Radiation	No	219	83
	Yes	45	17
GP88	< 3+	217	82
	= 3+	47	18

ISSN: 1465-542X